01 -
Allow butter and eggs to come to room temperature, approximately 30 minutes, to ensure even mixing.
02 -
Beat softened butter with brown and granulated sugars on medium speed for 3 minutes until light and fluffy to achieve a chewy texture.
03 -
Add eggs one at a time, mixing fully after each addition, then blend in vanilla extract until combined.
04 -
Whisk together flour, baking soda, and salt in a separate bowl to evenly distribute leavening agents.
05 -
Gradually add the dry mixture to the wet batter at low speed, mixing until just combined to maintain tenderness.
06 -
Gently fold in crushed Butterfinger pieces, caramel bits, and chopped peanuts with a spatula until evenly distributed without overmixing.
07 -
Scoop tablespoon-sized portions of dough onto a lined baking sheet, spacing them several inches apart for spreading.
08 -
Lightly sprinkle sea salt flakes on top of each dough mound immediately before baking to balance sweetness.
09 -
Bake cookies at 350°F (177°C) for 10 to 12 minutes until edges are golden and centers remain soft.
10 -
Allow cookies to cool on the baking sheet for 5 minutes before transferring to a wire rack to set.